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builder as prototype

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thma 2018-11-04 12:48:29 +01:00
parent 84052deff9
commit 68dfd488c3
1 changed files with 9 additions and 7 deletions
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16
src/Builder.hs
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@ -9,10 +9,8 @@ data BankAccount = BankAccount {
, interestRate :: Double
} deriving (Show)
builder :: Int -> ((Int, String) -> (Int, String, String))
builder acc name = withName (acc, name)
withName = undefined
defaultAccount :: Int -> BankAccount
defaultAccount i = BankAccount i "" "" 0 0
builderDemo = do
putStrLn "Builder -> ???"
@ -22,6 +20,10 @@ builderDemo = do
, branch = "Reikjavik"
, balance = 1000
, interestRate = 2.5
}
putStrLn "build an account"
print acc1
}
print acc1
let acc2 = defaultAccount 4711
print acc2
let acc3 = acc2 {name="Hans Mejer", branch="London", balance=10000}
print acc3